Dictionary.com
Thesaurus.com

thermocoagulation

American  
[thur-moh-koh-ag-yuh-ley-shuhn] / ˌθɜr moʊ koʊˌæg yəˈleɪ ʃən /

noun

Surgery.
  1. the coagulation of tissue by heat-producing high-frequency electric currents, used therapeutically to remove small growths or to create specific lesions in the brain.


Etymology

Origin of thermocoagulation

1920–25; thermo- + coagulation ( def. )